lkml.org 
[lkml]   [2016]   [Jul]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v9 0/7] Make cpuid <-> nodeid mapping persistent
Hello,

On Mon, Jul 25, 2016 at 05:25:49PM -0700, Andrew Morton wrote:
> > Yeah, that was one of the early approaches. The issue isn't limited
> > to wq. Any memory allocation can have similar issues of underlying
> > node association changing and we don't have any synchronization
> > mechanism around it. It doesn't make any sense to make NUMA
> > association dynamic when the consumer surface is vastly larger and
> > there's nothing inherently dynamic about the association itself.
>
> And other architectures?

No idea but it only matters for NUMA + CPU hotplug combination where a
whole node can go empty, which would at most be a few archs.

Thanks.

--
tejun

\
 
 \ /
  Last update: 2016-07-26 03:41    [W:0.034 / U:0.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site